For its newsletter subscribers only, newegg offers the Microsoft Natural Ergonomic Keyboard 4000, model no. B2M-00012, for $36.99. Coupon code "EMCNDHJ58" cuts it to $25.99. With free shipping that's the lowest total price we could find by $11, although it was $2 less in February. This USB keyboard features a split-key layout, programmable multimedia keys, and an integrated palm rest. Coupon expires June 27.